Spacetime perspective of Schwarzschild lensing

13 Jan 2000Simonetta FrittelliThomas P. KlingEzra T. Newman

We propose a definition of an exact lens equation without reference to a background spacetime, and construct the exact lens equation explicitly in the case of Schwarzschild spacetime. For the Schwarzschild case, we give exact expressions for the angular-diameter distance to the sources as well as for the magnification factor and time of arrival of the images... (read more)

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